作为专业的后端程序员，我们将专注于从数据库中获得数据，并将其转为json格式。

As dedicated back-end programmers, we will focus on getting the data from the database all the way to JSON format.

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正如采用静态类型化的语言进行编程的朋友们一样，Python和其他动态语言的程序员通常使用关系数据库作为后端数据存储区。

Just like their friends who program in statically typed languages, programmers of Python and in other dynamic languages often use relational databases as a back-end data store.

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